.canvas-container, #static-canvas { 
  position: absolute;
  left: 0; 
  top: 0; 
  display: none;
}

.text-center {
  text-align: center !important;
}

.tr-button {
  position: absolute;
  right: 0;
  top: 0;
  margin: 20px;
  background: none;
  color: white;
  font-weight: bold;
  border-color: white;
}